package com.a02staticdemo2;

public class TestDemo {
    public static void main(String[] args) {
        int[] arr1 = {1, 2, 3, 4, 5};
        String st = ArratUitl.printSrr(arr1);
        System.out.println(st);
        double avg = ArratUitl.getAvg(arr1);
        System.out.println(avg);
    }
}
